Re: [PATCH v4 2/3] fs/proc/array: Add Syscall User Dispatch to proc status

From: kernel test robot
Date: Sat Jan 21 2023 - 08:05:42 EST


Hi Gregory,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.2-rc4 next-20230120]
[cannot apply to tip/core/entry]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Gregory-Price/ptrace-syscall_user_dispatch-Implement-Syscall-User-Dispatch-Suspension/20230121-182401
patch link: https://lore.kernel.org/r/20230121102316.331935-3-gregory.price%40memverge.com
patch subject: [PATCH v4 2/3] fs/proc/array: Add Syscall User Dispatch to proc status
config: arc-randconfig-r043-20230119 (https://download.01.org/0day-ci/archive/20230121/202301212030.oAj9QJnD-lkp@xxxxxxxxx/config)
compiler: arceb-elf-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/a2cb8440d45e7d3030e7349c7c598971a951e5f2
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Gregory-Price/ptrace-syscall_user_dispatch-Implement-Syscall-User-Dispatch-Suspension/20230121-182401
git checkout a2cb8440d45e7d3030e7349c7c598971a951e5f2
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from include/asm-generic/current.h:5,
from arch/arc/include/asm/current.h:20,
from include/linux/sched.h:12,
from include/linux/time_namespace.h:6,
from fs/proc/array.c:59:
fs/proc/array.c: In function 'task_syscall_user_dispatch':
>> include/linux/thread_info.h:168:52: error: 'TIF_SYSCALL_USER_DISPATCH' undeclared (first use in this function); did you mean 'PR_SET_SYSCALL_USER_DISPATCH'?
168 | test_ti_thread_flag(current_thread_info(), TIF_##fl)
| ^~~~
fs/proc/array.c:435:29: note: in expansion of macro 'test_syscall_work'
435 | test_syscall_work(SYSCALL_USER_DISPATCH));
| ^~~~~~~~~~~~~~~~~
include/linux/thread_info.h:168:52: note: each undeclared identifier is reported only once for each function it appears in
168 | test_ti_thread_flag(current_thread_info(), TIF_##fl)
| ^~~~
fs/proc/array.c:435:29: note: in expansion of macro 'test_syscall_work'
435 | test_syscall_work(SYSCALL_USER_DISPATCH));
| ^~~~~~~~~~~~~~~~~


vim +168 include/linux/thread_info.h

3136b93c3fb2b7 Gabriel Krisman Bertazi 2020-11-16 164
3136b93c3fb2b7 Gabriel Krisman Bertazi 2020-11-16 165 #define set_syscall_work(fl) \
5903f61e035320 Gabriel Krisman Bertazi 2020-11-23 166 set_ti_thread_flag(current_thread_info(), TIF_##fl)
3136b93c3fb2b7 Gabriel Krisman Bertazi 2020-11-16 167 #define test_syscall_work(fl) \
5903f61e035320 Gabriel Krisman Bertazi 2020-11-23 @168 test_ti_thread_flag(current_thread_info(), TIF_##fl)
3136b93c3fb2b7 Gabriel Krisman Bertazi 2020-11-16 169 #define clear_syscall_work(fl) \
5903f61e035320 Gabriel Krisman Bertazi 2020-11-23 170 clear_ti_thread_flag(current_thread_info(), TIF_##fl)
3136b93c3fb2b7 Gabriel Krisman Bertazi 2020-11-16 171

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https://github.com/intel/lkp-tests